Lexicologists are professionals who specialize in the study of language and its vocabulary. Synonyms for lexicologists include lexicographers, word experts, linguists, lexiphiles, and word scientists. Lexicographers are specialists who compile and edit dictionaries, while linguists study the structure and evolution of languages. Lexiphiles are enthusiasts of words and their meanings, while word scientists undertake empirical investigations of language phenomena. These professionals conduct research on the etymology, meaning, and usage of words, and often collaborate with language teachers, editors, and writers. Their work is essential to the preservation and understanding of language, which is a critical element of culture and communication.